NXP Semiconductors PN5180 - 9 Legal information

NXP Semiconductors
AN11740
PN5180 Antenna design
AN11740
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Application note
COMPANY PUBLIC
Rev. 1.1 — 19 June 2018
345311
43 of 62
(1) 4kΩ||22pF for simulation of the PN5180 (ANT1 and ANT2) in CM
Fig 39. NFC antenna in CM
The simulation and measurement result is shown in Fig 40. The resonance frequency in
CM is approximately 16MHz.
a. Simulation
b. Measurement
Fig 40. Impedance of NFC antenna in CM